Home / 93,015.10-128,361.78-50,574.58

Finding the Fourth Proportional to 93,015.10, 128,361.78 and 50,574.58

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Solution

The fourth proportional to 93,015.10, 128,361.78 and 50,574.58 is: 69,793.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,015.10 : 128,361.78 = 50,574.58 : x
  2. Step 2: Convert to fraction form
    93,015.10/128,361.78 = 50,574.58/x
  3. Step 3: Cross multiply
    93,015.10x = 128,361.78 × 50,574.58
  4. Step 4: Simplify right side
    93,015.10x = 6,491,843,111.55
  5. Step 5: Solve for x
    x = 6,491,843,111.55/93,015.10
  6. Step 6: Final answer
    x = 69,793.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.